US20050273786A1 - Applications manager with variable management instruction set - Google Patents
Applications manager with variable management instruction set Download PDFInfo
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- US20050273786A1 US20050273786A1 US11/196,085 US19608505A US2005273786A1 US 20050273786 A1 US20050273786 A1 US 20050273786A1 US 19608505 A US19608505 A US 19608505A US 2005273786 A1 US2005273786 A1 US 2005273786A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/80—Generation or processing of content or additional data by content creator independently of the distribution process; Content per se
- H04N21/81—Monomedia components thereof
- H04N21/8166—Monomedia components thereof involving executable data, e.g. software
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F9/00—Arrangements for program control, e.g. control units
- G06F9/06—Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
- G06F9/46—Multiprogramming arrangements
- G06F9/48—Program initiating; Program switching, e.g. by interrupt
- G06F9/4806—Task transfer initiation or dispatching
- G06F9/4843—Task transfer initiation or dispatching by program, e.g. task dispatcher, supervisor, operating system
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N21/00—Selective content distribution, e.g. interactive television or video on demand [VOD]
- H04N21/40—Client devices specifically adapted for the reception of or interaction with content, e.g. set-top-box [STB]; Operations thereof
- H04N21/43—Processing of content or additional data, e.g. demultiplexing additional data from a digital video stream; Elementary client operations, e.g. monitoring of home network or synchronising decoder's clock; Client middleware
- H04N21/443—OS processes, e.g. booting an STB, implementing a Java virtual machine in an STB or power management in an STB
- H04N21/4437—Implementing a Virtual Machine [VM]
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F2209/00—Indexing scheme relating to G06F9/00
- G06F2209/48—Indexing scheme relating to G06F9/48
- G06F2209/482—Application
Definitions
- the invention relates to an information processing system making it possible to process data originating from at least one application, comprising an applications manager executing a management instruction set.
- the invention also relates to a digital decoder receiving in particular applications by way of a bouquet of television programs.
- An information processing system can be a machine which makes it possible to process data originating from an application.
- the application can be a collection of data.
- the data generally constitute a string of instructions formulated in a programming language.
- the information processing system can be constructed by using in particular an operating system and an execution system receiving data of an application.
- the information processing system can also comprise other systems making it possible to manage peripherals attached thereto and generally anything which is not taken onboard by the operating and execution systems.
- An information processing system makes it possible to process data originating from at least one application and comprises:
- a first embodiment of the invention makes provision for the information processing system to comprise a means for loading the variable management instruction set from a source of management instructions to the application manager.
- a second embodiment of the invention makes provision for the source of management instructions to be the application itself.
- a third embodiment of the invention makes provision for the source of management instructions to originate from a supplier of the application.
- a digital decoder receives at least one application by way of data relating to services from a digital stream and comprises:
- a fourth embodiment of the invention makes provision for the variable management instruction set to be of the static declarative kind.
- the management instruction set describes functions relating to a state or to a transition from an executing application to another program.
- Each application can contain in a preamble a management instruction set which is of the static declarative kind.
- a fifth embodiment of the invention makes provision for the applications manager to comprise several sets of variable management instructions, originating from several sources of management instructions.
- a sixth embodiment of the invention makes provision for the applications manager to comprise a means of selecting the variable management instruction set which selects a management instruction set in accordance with at least one criterion determined so that the selected management instruction set has priority of execution.
- FIGS. 1 to 3 exemplary embodiments of the invention are described so as to afford a better understanding thereof.
- FIG. 1 containing a simplified diagram of an information processing system
- FIG. 2 containing a simplified diagram of a digital decoder
- FIG. 3 containing a simplified diagram of another digital decoder.
- An information processing system represented in FIG. 1 can be constructed by using an operating system 1 .
- the operating system 1 comprises software making it possible to manage tasks, to allocate space in a memory and to address peripheral devices in conjunction with the information processing system.
- An execution system 2 receives, directly or indirectly by way of a memory, data of an application 3 .
- the execution system 2 makes it possible to execute the string of instructions conveyed by the data.
- the execution system 2 can be constructed with the aid of software.
- the execution system 2 communicates with the operating system 1 so as to access in particular the peripheral devices and a memory (not represented) of the information processing system.
- the information processing system can comprise an applications manager 4 .
- the latter makes it possible to execute a management instruction set.
- the applications manager 4 makes it possible to influence the operating system 1 and/or the execution system 2 when the application is executed for example. It would for example be possible for the applications manager 4 to indicate to the operating system 1 what priorities to give to commands originating from the execution system 2 when the application is executed.
- the operating system, the execution system and the applications manager are, according to the present example, software executed by a microprocessor or an equivalent means. All this software is stored in one or more memories of the apparatus of FIG. 1 .
- a digital decoder 5 for television 6 represented in FIG. 2 makes it possible to receive an application 3 by way of a satellite receiver 7 , a cable network 8 and/or a hertzian antenna 9 .
- the decoder is for example a decoder meeting the DVB and MPEG II standards.
- the application is transmitted in a multiplexed digital stream, the latter not necessarily transporting an audiovisual television program. It is also possible to receive other applications on other multiplexes. Moreover, it is also possible to receive applications by way of a digital channel modulated on an analog signal and time-division multiplexed with an analog television signal, but in what follows we shall generally be concerned with the case of a totally digital system.
- the operating system 1 makes it possible in particular to manage inputs/outputs and a memory (not represented) of the digital decoder 5 .
- a virtual machine 10 makes it possible to execute the application 3 .
- the virtual machine 10 is an exemplary execution system 2 which makes it possible to execute an application written in a so-called portable language.
- Another virtual machine 10 could be implemented in respect of an information processing system other than the digital decoder 5 , thus making it possible to execute the application 3 on this other system.
- the digital decoder 5 and more especially, the assembly formed by the operating system 1 and the virtual machine 10 , can be designed to execute several applications in a multitask manner, that is to say at the same time.
- the digital decoder 5 furthermore comprises hardware and/or software components (not represented) such as one or more drivers so that the operating system can communicate with peripheral devices, a user interface allowing a user to communicate with the application 3 executed or with the digital decoder 5 and optionally comprising one or more function keys, a memory making it possible to store the application 3 , possible other applications or graphical data, etc.
- the decoder can also comprise decoding means (MPEG II audio and video decoding according to the present example) making it possible to decode a demultiplexed stream of audiovisual data from a multiplexed digital stream and to transmit the decoded video to the television 6 .
- the application manager 4 makes it possible to execute a management instruction set and communicates with the virtual machine 10 and the operating system 1 . It carries out functions which are not taken on board either by the virtual machine 10 , or by the operating system 1 .
- the management instruction set is stored in a management memory (not represented in FIG. 2 ) and cannot be modified during normal use of the digital decoder 5 .
- the management instruction set is relatively voluminous and complex. Its formulation deploys a considerable development effort. Thus, each time a modification of the management instruction set is required to obtain a different manner of operation of the applications manager 4 , it is necessary for a manufacturer or for a programmer of the applications manager 4 to re-embark on a new development of a complete set of management instructions and on a new configuration of the digital decoder 5 , in particular the replacement or the total reprogramming of the applications manager 4 , this possibly entailing major costs.
- FIG. 3 contains the diagram of a digital decoder 5 comprising the operating system 1 and the virtual machine 10 .
- the application manager 4 comprises a variable management instruction set 11 , that is to say one which can be modified, exchanged or erased at any moment.
- part of the management instruction set can be changed to satisfy a variable specification of the application manager. This avoids new development of a complete set of management instructions.
- variable management instruction set 11 is executed by the application manager 4 , this resulting in a number of functions which are implemented via communication with the operating system 1 and the virtual machine 10 . These functions can be the same as those described earlier in this description. However, the list of functions described is not exhaustive. It is simply intended to explain through examples the role of the applications manager 4 .
- the variable management instruction set 11 can be stored in a rewritable memory, for example, in a random access memory.
- a loading means 12 makes it possible to load the variable management instruction set 11 to the applications manager 4 .
- the loading means 12 can be linked to one or more sources of management instructions; for example a user interface 13 of the digital decoder 5 , a direct link 14 with a source of the applications, an application link 15 with the application 3 itself.
- the variable management instruction set 11 can be contained in a preamble 16 of the application 3 .
- the preamble 16 is a first part of the application 3 received by the digital decoder 5 . Having received the variable management instruction set 11 , the application manager 4 can execute these instructions and carry out corresponding functions while the application 3 is being loaded in full.
- the decoder can comprise a default instruction set, which is short-circuited by an instruction set loaded later, if certain criteria, for example priority criteria, are fulfilled.
- This short-circuiting can be associated with one or more applications.
- the default instruction set is not erased, but remains available for other applications.
- the loading means 12 is for example a digital packet demultiplexer of the MPEG II Systems type received by way of the direct link 14 .
- the source of applications may be multifold: a server linked to the decoder 5 via the switched telephone network, a satellite, cable or hertzian digital or analog broadcasting network, etc.
- the necessary circuits for reception and demodulation are not illustrated, since they are well known per se to those skilled in the art.
- the existence of a preamble 16 does not necessarily entail the existence of the application 3 . It is conceivable to include a management instruction set in the preamble 16 and to transmit the latter to the loading means 12 , even without there being an associated application.
- the source of the management instructions is the direct link 14 with a source of the applications
- a broadcaster of the application may supply a specific set of management instructions for his applications.
- the latter set may for example entail the application manager 4 displaying a graphic characteristic of the broadcaster during the waiting time caused by the loading of an application.
- the source of the management instructions is the user interface 13 , it is possible for a user to determine for example the functions underlying certain tasks of the digital decoder 5 . As already mentioned, if an instruction set local to the decoder exists, it may be short-circuited under condition by a loaded set.
- the direct link 14 or the application link 15 supplies management instructions, provision may be made to use a standard management instruction set stored permanently in the applications manager 4 .
- the management instruction set originating from different sources is provided to be given priorities for execution, according to a predetermined criterion.
- a management instruction set originating via the application link 15 has priority over an instruction set originating via the direct link 14 with a source of the applications.
- the applications manager receiving or having received management instruction sets from these two links 14 and 15 , gives priority to the execution of that originating from the application link 15 .
- variable instruction set 11 can have a variable volume. For example, provision could be made for the latter to comprise management instructions originating from several sources of management instructions. Thus, if the decoder allows the execution of several applications in parallel, it is possible for the application manager 4 to carry out different functions for each executing application.
- the applications manager comprises the following instructions:
- the navigator is an application built into the decoder at the outset and allowing the user to implement the decoder.
- a request for focus on the part of an application signifies according to the present example that this application is requesting to be executed in the foreground.
- the other applications may nevertheless be executed in parallel, in the “background”, if the system is multitask.
- a new application is then loaded, for example a telepurchasing application, also supplied by the broadcaster X, this loading being triggered by the detection of the broadcasting of the application in the digital stream received by the decoder.
- the (default) static instruction set of the decoder is:
- the instruction set present in the signal and positioned by the broadcaster X for the Shop application is the following:
- the new state of the decoder is then:
Abstract
Description
- The invention relates to an information processing system making it possible to process data originating from at least one application, comprising an applications manager executing a management instruction set. The invention also relates to a digital decoder receiving in particular applications by way of a bouquet of television programs.
- An information processing system can be a machine which makes it possible to process data originating from an application. The application can be a collection of data. The data generally constitute a string of instructions formulated in a programming language. The information processing system can be constructed by using in particular an operating system and an execution system receiving data of an application. The information processing system can also comprise other systems making it possible to manage peripherals attached thereto and generally anything which is not taken onboard by the operating and execution systems.
- An information processing system according to the invention makes it possible to process data originating from at least one application and comprises:
-
- an operating system for executing the application,
- an execution system, and
- an applications manager which can execute at least one variable management instruction set so as to influence the operating system and/or the execution system in particular when the application is executed or when switching from the execution of the application to another execution of another application.
- A first embodiment of the invention makes provision for the information processing system to comprise a means for loading the variable management instruction set from a source of management instructions to the application manager.
- A second embodiment of the invention makes provision for the source of management instructions to be the application itself.
- A third embodiment of the invention makes provision for the source of management instructions to originate from a supplier of the application.
- A digital decoder according to the invention receives at least one application by way of data relating to services from a digital stream and comprises:
-
- an operating system,
- a virtual machine making it possible to execute at least one application, and
- an applications manager which can execute at least one set of variable management instructions so as to influence the operating system and/or the virtual machine when the application is executed or when switching from the execution of the application to another execution of another application.
- A fourth embodiment of the invention makes provision for the variable management instruction set to be of the static declarative kind. The management instruction set describes functions relating to a state or to a transition from an executing application to another program. Each application can contain in a preamble a management instruction set which is of the static declarative kind.
- A fifth embodiment of the invention makes provision for the applications manager to comprise several sets of variable management instructions, originating from several sources of management instructions.
- A sixth embodiment of the invention makes provision for the applications manager to comprise a means of selecting the variable management instruction set which selects a management instruction set in accordance with at least one criterion determined so that the selected management instruction set has priority of execution.
- In what follows, exemplary embodiments of the invention are described so as to afford a better understanding thereof. Reference is made to FIGS. 1 to 3:
-
FIG. 1 containing a simplified diagram of an information processing system; -
FIG. 2 containing a simplified diagram of a digital decoder; -
FIG. 3 containing a simplified diagram of another digital decoder. - An information processing system represented in
FIG. 1 can be constructed by using anoperating system 1. Theoperating system 1 comprises software making it possible to manage tasks, to allocate space in a memory and to address peripheral devices in conjunction with the information processing system. - An
execution system 2 receives, directly or indirectly by way of a memory, data of anapplication 3. Theexecution system 2 makes it possible to execute the string of instructions conveyed by the data. Theexecution system 2 can be constructed with the aid of software. Theexecution system 2 communicates with theoperating system 1 so as to access in particular the peripheral devices and a memory (not represented) of the information processing system. - The information processing system can comprise an
applications manager 4. The latter makes it possible to execute a management instruction set. Thus, theapplications manager 4 makes it possible to influence theoperating system 1 and/or theexecution system 2 when the application is executed for example. It would for example be possible for theapplications manager 4 to indicate to theoperating system 1 what priorities to give to commands originating from theexecution system 2 when the application is executed. - The operating system, the execution system and the applications manager are, according to the present example, software executed by a microprocessor or an equivalent means. All this software is stored in one or more memories of the apparatus of
FIG. 1 . - A
digital decoder 5 fortelevision 6 represented inFIG. 2 makes it possible to receive anapplication 3 by way of asatellite receiver 7, acable network 8 and/or ahertzian antenna 9. The decoder is for example a decoder meeting the DVB and MPEG II standards. The application is transmitted in a multiplexed digital stream, the latter not necessarily transporting an audiovisual television program. It is also possible to receive other applications on other multiplexes. Moreover, it is also possible to receive applications by way of a digital channel modulated on an analog signal and time-division multiplexed with an analog television signal, but in what follows we shall generally be concerned with the case of a totally digital system. - The
operating system 1 makes it possible in particular to manage inputs/outputs and a memory (not represented) of thedigital decoder 5. Avirtual machine 10 makes it possible to execute theapplication 3. Thevirtual machine 10 is anexemplary execution system 2 which makes it possible to execute an application written in a so-called portable language. Anothervirtual machine 10 could be implemented in respect of an information processing system other than thedigital decoder 5, thus making it possible to execute theapplication 3 on this other system. - The
digital decoder 5, and more especially, the assembly formed by theoperating system 1 and thevirtual machine 10, can be designed to execute several applications in a multitask manner, that is to say at the same time. - The
digital decoder 5 furthermore comprises hardware and/or software components (not represented) such as one or more drivers so that the operating system can communicate with peripheral devices, a user interface allowing a user to communicate with theapplication 3 executed or with thedigital decoder 5 and optionally comprising one or more function keys, a memory making it possible to store theapplication 3, possible other applications or graphical data, etc. The decoder can also comprise decoding means (MPEG II audio and video decoding according to the present example) making it possible to decode a demultiplexed stream of audiovisual data from a multiplexed digital stream and to transmit the decoded video to thetelevision 6. - The
application manager 4 makes it possible to execute a management instruction set and communicates with thevirtual machine 10 and theoperating system 1. It carries out functions which are not taken on board either by thevirtual machine 10, or by theoperating system 1. - The functions resulting from the execution of the management instruction set are for example the following:
-
- consideration of a state of the executing application when a change of transponder (corresponding to a multiplexed stream) or of service occurs. The change of transponder/service can be brought about for example by a user, by the application itself or even by a broadcaster (which are not represented) which broadcasts the content of the streams. The
applications manager 4 can, for example, interrupt the executing application or place it on standby. Theapplications manager 4 can freeze the last picture displayed on the television or display a specified graphic while the change of transponder and/or of the service is effected. This may be necessary to fill in time while loading another application from a stream from the new transponder or associated with another service; - starting a specified procedure when a change of application has not been performed within a specified time span;
- configuring function keys and rendering them active or otherwise;
- determining in which order to enable audio, video components when the latter are transmitted with the application associated with a service and when the application calls upon them etc.
- consideration of a state of the executing application when a change of transponder (corresponding to a multiplexed stream) or of service occurs. The change of transponder/service can be brought about for example by a user, by the application itself or even by a broadcaster (which are not represented) which broadcasts the content of the streams. The
- The management instruction set is stored in a management memory (not represented in
FIG. 2 ) and cannot be modified during normal use of thedigital decoder 5. The management instruction set is relatively voluminous and complex. Its formulation deploys a considerable development effort. Thus, each time a modification of the management instruction set is required to obtain a different manner of operation of theapplications manager 4, it is necessary for a manufacturer or for a programmer of theapplications manager 4 to re-embark on a new development of a complete set of management instructions and on a new configuration of thedigital decoder 5, in particular the replacement or the total reprogramming of theapplications manager 4, this possibly entailing major costs. - It would be advantageous to be able to modify the management instruction set at lesser cost.
- It would also be advantageous to be able to update the
application manager 4 while avoiding having to install a new configuration in the digital decoder through intervention by the manufacturer on the digital decoder. -
FIG. 3 contains the diagram of adigital decoder 5 comprising theoperating system 1 and thevirtual machine 10. - The
application manager 4 comprises a variablemanagement instruction set 11, that is to say one which can be modified, exchanged or erased at any moment. - Thus, part of the management instruction set can be changed to satisfy a variable specification of the application manager. This avoids new development of a complete set of management instructions.
- The variable
management instruction set 11 is executed by theapplication manager 4, this resulting in a number of functions which are implemented via communication with theoperating system 1 and thevirtual machine 10. These functions can be the same as those described earlier in this description. However, the list of functions described is not exhaustive. It is simply intended to explain through examples the role of theapplications manager 4. - The variable
management instruction set 11 can be stored in a rewritable memory, for example, in a random access memory. A loading means 12 makes it possible to load the variablemanagement instruction set 11 to theapplications manager 4. The loading means 12 can be linked to one or more sources of management instructions; for example auser interface 13 of thedigital decoder 5, adirect link 14 with a source of the applications, anapplication link 15 with theapplication 3 itself. In the latter case, the variablemanagement instruction set 11 can be contained in apreamble 16 of theapplication 3. Thepreamble 16 is a first part of theapplication 3 received by thedigital decoder 5. Having received the variablemanagement instruction set 11, theapplication manager 4 can execute these instructions and carry out corresponding functions while theapplication 3 is being loaded in full. - Moreover, the decoder can comprise a default instruction set, which is short-circuited by an instruction set loaded later, if certain criteria, for example priority criteria, are fulfilled. This short-circuiting can be associated with one or more applications. In this case, the default instruction set is not erased, but remains available for other applications.
- The loading means 12 is for example a digital packet demultiplexer of the MPEG II Systems type received by way of the
direct link 14. The source of applications may be multifold: a server linked to thedecoder 5 via the switched telephone network, a satellite, cable or hertzian digital or analog broadcasting network, etc. The necessary circuits for reception and demodulation are not illustrated, since they are well known per se to those skilled in the art. The existence of apreamble 16 does not necessarily entail the existence of theapplication 3. It is conceivable to include a management instruction set in thepreamble 16 and to transmit the latter to the loading means 12, even without there being an associated application. - In the case where the source of the management instructions is the
direct link 14 with a source of the applications, it is possible for a broadcaster of the application to supply a specific set of management instructions for his applications. The latter set may for example entail theapplication manager 4 displaying a graphic characteristic of the broadcaster during the waiting time caused by the loading of an application. - In the case where the source of the management instructions is the
user interface 13, it is possible for a user to determine for example the functions underlying certain tasks of thedigital decoder 5. As already mentioned, if an instruction set local to the decoder exists, it may be short-circuited under condition by a loaded set. - In the case where no external source such as the
user interface 13, thedirect link 14 or theapplication link 15 supplies management instructions, provision may be made to use a standard management instruction set stored permanently in theapplications manager 4. - In an advantageous embodiment there is provision for the management instruction set originating from different sources to be given priorities for execution, according to a predetermined criterion. Thus, it may for example be defined that a management instruction set originating via the
application link 15 has priority over an instruction set originating via thedirect link 14 with a source of the applications. The applications manager receiving or having received management instruction sets from these twolinks application link 15. - The
variable instruction set 11 can have a variable volume. For example, provision could be made for the latter to comprise management instructions originating from several sources of management instructions. Thus, if the decoder allows the execution of several applications in parallel, it is possible for theapplication manager 4 to carry out different functions for each executing application. - An example of the behavior of a decoder will be described in what follows.
- According to this example, the applications manager comprises the following instructions:
-
- Display a boot-up bitmap
- Set the video screen to black
- Freeze the video image
- Define the keys managed by the application at the outset (group of keys of the remote control)
- Take the focus if possible
- Enable audio/video
- Disable audio/video
- The parameters supplied in respect of or with a given application are:
-
- Boot-up bitmap (optional)
- Group of keys
- Priority of the application
- It is assumed that initially the state of the decoder is the following:
-
- Audio/video in progress: yes
- Priority with the foreground application (“possessing the focus”): 1 (navigator)
- Applications executing:
Name Supplier Priority Focus Weather Broadcaster X 2 No Navigator Decoder manufacturer 1 Yes - In the case of the present example, the navigator is an application built into the decoder at the outset and allowing the user to implement the decoder.
- A request for focus on the part of an application signifies according to the present example that this application is requesting to be executed in the foreground. The other applications may nevertheless be executed in parallel, in the “background”, if the system is multitask.
- A new application is then loaded, for example a telepurchasing application, also supplied by the broadcaster X, this loading being triggered by the detection of the broadcasting of the application in the digital stream received by the decoder.
- New application:
Name Provider Priority Focus request Shop Broadcaster X 2 Yes - The (default) static instruction set of the decoder is:
- Define the keys managed by the application on start up (group of keys)
- If Request Focus Then Take the focus if possible
- (Remark: the possibility of taking the focus depends on the priority of the application which made the request relative to that possessing the focus)
- The instruction set present in the signal and positioned by the broadcaster X for the Shop application is the following:
- Set the video plane to black
- If audio/video in progress Then disable audio/video
- Define the keys managed by the application on start up ({Quit, P+, P−})
- If Request Focus Then Take the focus if possible
- Instruction set present in the application:
- Enable audio/video
- The following dynamic behavior results from this collection of sets:
-
- 1. The application is being initiated, an instruction set must be applied (before initiation of the application). The broadcaster has given an instruction set for this application which has priority over the default instruction set of the terminal. It is therefore the set of the application which is applied.
- 2. The video plane is set to black.
- 3. The audio/video which is currently playing is stopped.
- 4. The Quit, P+ and P− keys of the remote control will not be managed by the terminal when the application has the focus.
- 5. Focus is requested, but denied since the Shop application has lower priority than the application having the focus (Navigator)
- 6. The application is initiated (without the focus)
- 7. The application applies its complementary instruction set and enables a new audio/video stream.
- The new state of the decoder is then:
-
- Audio/video in progress: yes
- Priority for the application having the focus: 1 (Navigator)
- Applications executing:
Name Supplier Priority Focus Weather Broadcaster X 2 No Navigator Decoder manufacturer 1 Yes Shop Broadcaster X 2 No - The advantages of the invention are numerous.
-
- A broadcaster or a supplier of services can himself define the behavior of a decoder, relating to the initiation of a downloaded application, through management of the priorities of the instruction sets and by including, for example, an instruction set in the preamble of the application, in such a way that this set can be executed while the application finishes being loaded.
- A broadcasting of management instruction sets by way of the service information of a digital stream makes it possible to define the conditions of initiation of applications, without the broadcasting of these sets necessarily having to be done at the same time as that of the application.
- The manufacturer of the hardware (decoder in the present case) can also monitor the behavior of an application. For example, by choosing the priorities appropriately, he can retain full control of the decoder and force any application to use the predetermined management instruction set.
-
- 1. Operating system
- 2. Execution system
- 3. Application
- 4. Applications manager
- 5. Digital decoder
- 6. Television
- 7. Satellite receiver
- 8. Cable network
- 9. Hertzian antenna
- 10. Virtual machine
- 11. Variable management instruction set
- 12. Loading means
- 13. User interface
- 14. Direct link with a source of applications
- 15. Application link
- 16. Application preamble
Claims (13)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/196,085 US7770187B2 (en) | 1998-10-08 | 2005-08-03 | Applications manager with variable management instruction set |
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9812600 | 1998-10-08 | ||
FR9812600A FR2784474A1 (en) | 1998-10-08 | 1998-10-08 | Data processing system has applications manager which is able to carry out range of instructions which influence the operation and execution systems during or between applications |
FR98/12600 | 1998-10-08 | ||
PCT/FR1999/002426 WO2000022815A1 (en) | 1998-10-08 | 1999-10-08 | Application manager with variable managing instruction set |
US80701101A | 2001-06-29 | 2001-06-29 | |
US11/196,085 US7770187B2 (en) | 1998-10-08 | 2005-08-03 | Applications manager with variable management instruction set |
Related Parent Applications (3)
Application Number | Title | Priority Date | Filing Date |
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PCT/FR1999/002426 Continuation WO2000022815A1 (en) | 1998-10-08 | 1999-10-08 | Application manager with variable managing instruction set |
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CN100486309C (en) * | 2002-04-11 | 2009-05-06 | 汤姆森特许公司 | Apparatus and method for switching a television program mode to an interactive application program mode |
US7469346B2 (en) | 2003-06-27 | 2008-12-23 | Disney Enterprises, Inc. | Dual virtual machine architecture for media devices |
EP1868135A1 (en) * | 2005-06-29 | 2007-12-19 | Research In Motion Limited | System and method for privilege management and revocation |
WO2007067217A2 (en) * | 2005-12-02 | 2007-06-14 | Cyberscan Technology, Inc. | In-room gaming |
DE102008029446A1 (en) * | 2008-06-20 | 2009-12-24 | Bayerische Motoren Werke Aktiengesellschaft | Method for controlling functions in a motor vehicle with adjacently located operating elements |
CN103020259B (en) * | 2012-12-21 | 2016-10-05 | 中国农业银行股份有限公司 | A kind of method and system obtaining software program |
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Also Published As
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EP1119962A1 (en) | 2001-08-01 |
JP2015179526A (en) | 2015-10-08 |
US7774800B2 (en) | 2010-08-10 |
DE69902290D1 (en) | 2002-08-29 |
CN1121779C (en) | 2003-09-17 |
JP5147081B2 (en) | 2013-02-20 |
CN1322432A (en) | 2001-11-14 |
JP2013065318A (en) | 2013-04-11 |
DE69902290T2 (en) | 2003-02-27 |
WO2000022815A1 (en) | 2000-04-20 |
JP2010044799A (en) | 2010-02-25 |
FR2784474A1 (en) | 2000-04-14 |
JP6080229B2 (en) | 2017-02-15 |
JP2015133134A (en) | 2015-07-23 |
ES2181476T3 (en) | 2003-02-16 |
JP5904621B2 (en) | 2016-04-13 |
US20050278721A1 (en) | 2005-12-15 |
ATE221288T1 (en) | 2002-08-15 |
JP5781049B2 (en) | 2015-09-16 |
AU6093799A (en) | 2000-05-01 |
US7770187B2 (en) | 2010-08-03 |
EP1119962B1 (en) | 2002-07-24 |
JP4729176B2 (en) | 2011-07-20 |
JP2002527843A (en) | 2002-08-27 |
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